Home / 14,939.19-20,615.85-8,566.92

Finding the Fourth Proportional to 14,939.19, 20,615.85 and 8,566.92

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Solution

The fourth proportional to 14,939.19, 20,615.85 and 8,566.92 is: 11,822.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939.19 : 20,615.85 = 8,566.92 : x
  2. Step 2: Convert to fraction form
    14,939.19/20,615.85 = 8,566.92/x
  3. Step 3: Cross multiply
    14,939.19x = 20,615.85 × 8,566.92
  4. Step 4: Simplify right side
    14,939.19x = 176,614,337.68
  5. Step 5: Solve for x
    x = 176,614,337.68/14,939.19
  6. Step 6: Final answer
    x = 11,822.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.